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News & Resources

News

3/16/2015 12:00:00 AM

Corporate -
Carpinteria, California, March 16, 2015 — NuSil Technology LLC (http://www.nusil.com), the global leader in high purity medical and space-grade silicones, announces the appointment of Ernest Waaser as its new Chief Executive Officer. Mr. Waaser brings over 30 years of experience leading numerous public and privately-held healthcare companies. He takes over from NuSil’s co-founder and CEO, Dick Compton, who is retiring as CEO, but will continue to serve as Chairman of the NuSil Board of Directors.

1/30/2014 12:00:00 AM | Skin Care

Life Sciences -
CareSil has won a Formulation Award at COSMETAGORA 2014 for its unique water in silicone (W/Si) Mousse Velours (“Velvet Mousse”) foundation that delivers a lighter, fresher feel than traditional silicone-based alternatives. Combining 30% water with CareSil’s high-purity silicone elastomer gel, CXG-1104, this product looks like a mousse, feels natural like skin and spreads evenly and smoothly.

1/3/2014 12:00:00 AM | Medical Implants, General Healthcare

Life Sciences -
NuSil Technology, a global leader in silicone materials for the medical industry, will team with its Indian distribution company, Synergistix (India) Pvt. Ltd., to showcase its world-renowned offerings and formulation insight at the Indian Medical Devices & Plastics Disposables/Implants Industry (IMDI) 2014 trade show and conferences.

Life Sciences -
NuSil Technology’s article titled “Modification of Silicone Chemistry and Its Influence on Release Rates of Active Pharmaceutical Ingredients (APIs)”, was published this month in Drug Development & Delivery magazine, a publication that reports the latest developments in the pharmaceutical industry. The article presents the results of technologically advanced testing of silicone formulations and two drugs (APIs).

9/26/2013 12:00:00 AM | Medical Implants, General Healthcare

Life Sciences -
At MEDTEC Italy in Modena October 2-3, 2013, NuSil Technology will be featuring the newest silicone from the Medical Implants and Healthcare business units: a low density, platinum cure silicone foam. The foam is multi-faceted in use, ranging from keeping wounds dry and clean to making aesthetic implants relatively lighter than silicone gel-filled implants.

9/10/2013 12:00:00 AM | Skin Care

Life Sciences -
NuSil Technology will promote CareSil, the new business unit and brand of high-purity silicones for skin care, color cosmetics, and sun care, at the California SCC Suppliers’ Day in Long Beach, CA September 24-25.

9/10/2013 12:00:00 AM | Medical Implants, General Healthcare

Life Sciences -
NuSil Technology will feature our high-quality medical fluorosilicones at the upcoming MEDTEC China trade show. As part of this showcase, we will be holding demonstrations in our booth to show how well these resist swell than traditional dimethyl (PDMS) silicones.

9/10/2013 12:00:00 AM | Space, Defense, Commercial Aviation

Advanced Engineering -
At the SAE 2013 AeroTech Congress and Exhibition on Tuesday, September 24, Mark Vedder from NuSil Technology’s Aerospace and Defense team will speak on “Improving Aerodynamics with Exterior Silicone Ice-Release Coatings in Icing Conditions with Current Deicing Procedures.”

9/4/2013 12:00:00 AM | Skin Care

Life Sciences -
CareSil joins Azelis’ offerings of personal care silicones for distribution in France, Italy, Benelux and Canada. With proven expertise in product innovation and quality, Azelis is an ideal fit to be partnered with NuSil’s new brand, which offers personal care formulators the most pristine silicone in the industry.

8/21/2013 12:00:00 AM | Medical Implants, General Healthcare

Life Sciences -
NuSil Technology, the leader in implantable silicones, will be in attendance at MD&M Brazil in São Paulo August 27-28, 2013. As part of showcasing high-quality silicones for the medical industry, NuSil looks forward to promoting the newest silicone from the Medical Implants and Healthcare business units: a low density, platinum cure silicone foam. The foam is multi-faceted in use, ranging from keeping wounds dry and clean to making aesthetic implants relatively lighter than silicone gel-filled implants.

7/24/2013 12:00:00 AM | Defense, Commercial Aviation

Advanced Engineering -
On Wednesday, July 31 at the Deicing and Stormwater Conference in Arlington, Virginia, Mark Vedder from NuSil Technology’s Aerospace and Defense business unit will present “Silicone-Based Ice-Release Coatings and Testing Processes". NuSil’s silicone coatings for ice-release continue to build upon their reputation for excellence. The data speaks for itself: Compared to other deicing coatings, NuSil's ice-release materials most significantly and competitively reduce the amount of force required to remove ice from aerodynamic surfaces – raising the bar in technologies for safer, more efficient use of aircraft vehicles.

7/2/2013 12:00:00 AM | Medical Implants, General Healthcare

Life Sciences -
NuSil is excited to announce publication of an article in Medical Plastics News magazine! The article explains why silicone is often the material of choice in contact and intraocular lenses. Able to mimic the surrounding biological environment, silicone helps achieve a natural rather than intrusive feel, allowing the benefits and not the burden of a device to meet the eye.

6/3/2013 12:00:00 AM | Commercial Aviation, Space, Defense

Advanced Engineering -
NuSil Technology brings its space-grade products to the 50th International Paris Air Show in Le Bourget, France, June 17-23, 2013. In the spotlight will be innovative ice-phobic coatings, tested with exceptional results via the Zero-Degree Cone Test as recommended in the SAE AIR 6232. From gap fillers to exterior coatings, NuSil offers the highest quality silicones in the aerospace industry to serve your latest formulation needs.

5/31/2013 12:00:00 AM | Optoelectronics, Electronics

Advanced Engineering -
NuSil Technology is proud to be a part of the Sensors Expo and Conference 2013 in Rosemont, IL next week. The company's knowledgeable experts John Kovalick, Technical Sales, Electronics & Engineering, and Bob Umland, Marketing and Sales Director, Electronics & Engineering, will be at Booth #820 Wednesday, June 5 through Thursday, June 6 at the Donald E. Stephens Convention Center to discuss their high-quality silicones for the sensors industry, including exciting new products FS-3502-1 and GEL8-8150.

5/20/2013 12:00:00 AM | Space, Defense, Commercial Aviation

Advanced Engineering -
Rob Thomaier, NuSil’s Senior Aerospace & Defense Technical Sales Representative, will represent NuSil Technology at the Phoenix Convention Center in Phoenix, AZ Tuesday, May 21 through Thursday, May 23 at the AHS 69th Annual Forum & Technology Display. On Tuesday, May 21st, at 10:00 am, Rob will present “Silicone Ice-phobic Coatings”, explaining the need for ice-phobic materials in the aircraft industry and stressing the significance of silicone’s unparalleled performance as such: in their ability to reduce the adhesion of ice to aerodynamic surfaces like the wings of airplanes.

5/13/2013 12:00:00 AM | Skin Care

Life Sciences -
Visit CareSil at Booth# 1655 at the NYSCC Supplier’s Day 2013, in Edison, NJ, on Tuesday, May 14 and Wednesday, May 15. Building on the company's 30+ years of experience and leadership in healthcare, NuSil is very excited to bring medical-quality silicone materials to skin care.

1/30/2013 12:00:00 AM | Optoelectronics, Electronics

Advanced Engineering -
NuSil will launch two new silicone products for photonic and electronic applications at Photonics West 2013. LS2-6140, an optically clear primerless encapsulant, and R-2175, a flowable, thermally stable potting compound, are the latest product launches of the company’s Engineering, Electronics, and Photonics business unit.

11/1/2013 12:00:00 AM - Life Sciences | Drug Delivery |
Advancements in silicone technology are born from studies such as this, thus augmenting through customization the ability of silicone components to meet and sustain the needs of drug delivery applications.

8/1/2013 12:00:00 AM - Life Sciences | Medical Implants, General Healthcare |
Due to silicone’s ever-expanding role in medical devices; industry practices, standards, and regulations have and will continue to evolve.

7/9/2013 12:00:00 AM - Life Sciences | Skin Care |
As the body’s largest organ, not to mention its protective shield against the outside world, skin should be treated with the same care as any other body part. This level of care can be provided by silicone; innovation in silicone technology from its history in healthcare and especially medical implant applications need only be extrapolated and applied. The crossover between silicones for medical implants and for skin care lies in material purity.

6/28/2013 12:00:00 AM - Life Sciences | Medical Implants |
Assuming a natural rather than intrusive feel is a task of medical devices, and silicone rises to the challenge to help achieve this. In ophthalmic applications, silicone allows the benefits and not the burden of a device to meet the eye.

5/21/2013 12:00:00 AM - Advanced Engineering | Defense, Commercial Aviation |
When ice builds up on the leading edges of aerodynamic surfaces, it decreases lift and increases drag. Ice-release coatings significantly reduce the force required to remove ice that has adhered, for safer, more efficient use of aircraft vehicles.

5/6/2013 12:00:00 AM - Advanced Engineering | Space, Defense, Commercial Aviation |
Silicones are highly resilient materials commonly used as adhesives and encapsulants in aircraft and aerospace applications. A valuable benefit of silicones is their ability to incorporate a variety of filler types that can impart such properties as thermal conductivity at elevated temperatures. Thermally conductive silicone adhesives and encapsulants aid in the removal of heat without adding additional stress to electronic assemblies and other devices during thermal cycling.

10/9/2012 12:00:00 AM - Life Sciences | Medical Implants, General Healthcare |
Since the first use of silicone for medical applications in the 1950s, this material’s chemical stability, physical strengths, and bioinertness have proven it a valuable candidate for medical device applications. Best of all, silicones are so dynamic they can be formulated to achieve specific performance, aesthetic, or therapeutic properties that aren’t inherently available with silicone elastomer chemistry alone.

10/1/2012 12:00:00 AM - Advanced Engineering, Life Sciences |
Whether an inhibitor stalls or permanently stops a silicone from curing depends on the catalyst utilized. Understanding the effects of different inhibitors on the catalyst utilized is key to working with curable silicone systems so as to fully benefit from their unique and useful properties. A platinum catalyst allows silicones to be formulated to provide a wide range of physical properties, adjustable work times and reaction rates if cured in the right conditions.

8/27/2012 12:00:00 AM - Life Sciences | General Healthcare |
A study comparing penetration forces of uncoated and coated needles was performed to analyze and compare the
efficacy of specific NuSil needle coating materials in lowering the force required to penetrate and pass through a substrate. Testing was performed on a TA.XT.plus Texture Analyzer with a 5-kg load cell. Needles coated with MED-4162 proved to have the largest decrease in penetration and drag forces.

8/1/2012 12:00:00 AM - Life Sciences | General Healthcare |
Two-part silicone film adhesives, silicone pressure sensitive adhesives (PSAs) and silicone tacky gels are often utilized in vastly different applications — from scar treatment therapies to solar cell assemblies. When seeking to select the most suitable type of silicone to use, knowing the differences among these materials is essential.

7/10/2012 12:00:00 AM - Life Sciences | Medical Implants, General Healthcare |
Utilized in a wide variety of adhesion applications — from urinary catheters to cardiac pacemakers — one-part condensation-cure adhesives have traditionally been the most commonly used silicone adhesives in the healthcare industry. Despite their acclaimed and proven effectiveness, the downside to using these adhesive systems is their long cure time (many hours or even days at room temperature) and inability to be accelerated with heat.

5/22/2012 12:00:00 AM - Advanced Engineering |
Silicones are commonly used in automotive applications as potting compounds, adhesives, gaskets, seals and encapsulants due to their ability to remain elastic at low temperatures and resist breakdown at high temperatures or in UV light. In addition to a broad operating temperature range, silicones inherently possess high dielectric strength (= 500 V/mil), low modulus and a low glass transition point (Tg), as compared to organic-based rubbers.

5/21/2012 12:00:00 AM - Advanced Engineering |
This study evaluates modified silicone elastomers as foul-release coatings. The coatings are easy to apply, cure rapidly and relatively tough materials. They are non-toxic and biologically inert but still prevent the adhesion of marine life. The coatings were tested by a novel barnacle adhesion test with adhesion results in two weeks.

4/2/2012 12:00:00 AM - Advanced Engineering | Optoelectronics |
A Light Emitting Diode (LED) is not “one size fits all.” While many LEDs may appear similar, various applications call for different needs. Whether one is deciding how to construct the LED or what the final application is going to be, decisions on what material to use can vary drastically. It is for this reason that a relationship needs to be maintained between the LED packager and material supplier. In most cases, the material of choice for LED packagers is silicone.

1/26/2012 12:00:00 AM - Advanced Engineering | Optoelectronics |
Unprotected electronic components exposed to moisture from high humidity may fail due to corrosion of metal leads or other unfavorable reactions on chemically sensitive components. This is of high interest for silicones that encapsulate Light Emitting Diodes (LEDs) dies. For these applications, moisture and oxygen may react with materials, such as phosphor, used to make white LEDs for back-lighting applications and decrease or change the light output and color over time.

1/9/2012 12:00:00 AM - Advanced Engineering |
Engineers and material scientists are constantly looking for a polymeric adhesive that can perform in a broad operating temperature range, maintain chemical stability and offer unique mechanical properties. The dynamic attributes of silicone adhesives, sealants, coatings and encapsulants provide design engineers with a variety of solutions to the complex challenges they face. The advantages of silicone lie in the chemistry of the polymer chain, which can be modified to achieve desired mechanical properties.

1/9/2012 12:00:00 AM - Life Sciences | Skin Care |
When considering hair, moisture is a double-edge sword. Everyone strives to achieve healthy looking, moisturized hair; shiny and strong. Dry hair, on the other hand, is associated with damage and brittleness. Why is it then that a humid or rainy day — full of moisture in the air — concerns so many?

4/4/2011 12:00:00 AM - Advanced Engineering | Optoelectronics |
Non-phenyl containing 1.41 RI silicones have been used for several years for bonding solar arrays in the satellite industry. Phenyl groups on the siloxane polymer can change various properties of the silicone. Understanding how phenyl affects these properties allows the engineer to understand the benefits and risks when using a RI matching silicone to minimize light loss versus a non-phenyl containing silicone.

12/15/2009 12:00:00 AM - Advanced Engineering | Electronics |
Miniaturization of electronic packages has led to using thinner and more fragile materials. This, in combination with the use of lead-free solder with solder reflow temperatures up to 260°C, can cause high shear stress during heating and cooling that can damage a device. Subsequently, there is growing interest in silicone adhesives and encapsulants for terrestrial electronic packaging applications.

12/1/2009 12:00:00 AM - Life Sciences | Drug Delivery |
Silicones possess certain dynamic characteristics which allow them to be compounded in with a host of actives. These same unique characteristics also allow them to release those actives from a molded/extruded device in a predictable way – whether that application is for transdermal, transmucosal, short or long-term human implantation. This article will highlight key attributes of certain silicones as well as key considerations when selecting a silicone.

10/25/2009 12:00:00 AM - Advanced Engineering | Space |
In this study, these 2-part, platinum cure, RTV silicones are compared to standard low outgassing materials, CV-2289 and CV10-2568. The physical properties are compared looking for any property losses, and the TML’s and CVCM’s are compared and analyzed according to ASTM E 595 standards and the outgassing kinetics from ASTM 15592 experiments.

6/8/2009 12:00:00 AM - Advanced Engineering | Space |
In this paper, we compare a standard controlled volatility silica reinforced silicone adhesive that has a history of use in aerospace applications with a newly developed equivalent Ultra Low OutgassingTM version that exceeds typical ASTM E 595 requirements achieving < 0.1 % TMLs and < 0.01% CVCMs. We will compare the cured physical properties and monitor the outgassing profiles of each material based on ASTM E 1559 test method.

10/9/2008 12:00:00 AM - Life Sciences | Medical Implants, General Healthcare |
Medical device companies continue to support the healthcare community by distinguishing models, sizes and improving the aesthetics of the device with the addition of color. Color in medical devices offers a number of benefits in marketing the device. Adding color can help differentiate the product in a competitive marketplace, and the addition of corporate colors can also create a strong tie to the company's brand.

5/18/2008 12:00:00 AM - Advanced Engineering | Defense, Commercial Aviation |
Today the technological progress of modern military aircraft design has been greatly influenced by the use of advanced composite materials. These materials permit design of lighter stronger more flexible aircraft yet offers a new set of challenges in design, production and quality.

4/30/2008 12:00:00 AM - Advanced Engineering | Optoelectronics |
Working with LED manufacturers reveals a common problem: how to effectively add
phosphor to the silicone encapsulant without having it settle or incur processing problems
like curing too soon, deairing and bubbles. A study was done to evaluate two silicone
encapsulation materials for their ability to maintain phosphor in solution for ease of
manufacturing and production of white light emitting diodes.

2/13/2008 12:00:00 AM - Advanced Engineering | Optoelectronics |
This study evaluates twenty-one samples for their change in optical transmission due to a 680-6800J/cm2 dose of UV radiation.
Samples were made from UV curing acrylate, epoxy and silicone chemistries. All samples were prepared and exposed the same way
so that comparisons between the samples would be meaningful.

1/18/2008 12:00:00 AM - Advanced Engineering | Defense, Commercial Aviation |
The problem of ice build-up in an engine or on the leading edges of a plane is a significant problem in the aircraft industry. Ice build up can affect many aspects of flying such as lift, drag, and thrust.

6/11/2007 12:00:00 AM - Advanced Engineering | Space |
The Aerospace Industry has used silicone adhesives and coatings for over five decades. Silicones ability to maintain its elasticity and low modulus over a broad temperature range, –130 to 260°C, provides excellent utility in space, where spacecraft are often exposed to these extreme temperatures. The National Aeronautics & Space Administration (NASA) and the European Space Agency (ESA) recommend testing low outgassing materials per ASTM E-595 prior to use in space.

1/23/2007 12:00:00 AM - Advanced Engineering | Optoelectronics |
Opto-electronic devices such as LEDs, optical sensors, LCDs and color filters have the need for optically transparent encapsulants or adhesives. Maintaining the highest transmission possible of the encapsulant/adhesive throughout the life of the device is a critical criteria for the device designer.

11/28/2006 12:00:00 AM - Advanced Engineering | Electronics |
Silicones are becoming more popular in advanced packaging for their thermal stability above 200oC and ability to protect the electronic package from environmental factors. The electronic package may be exposed to a variety of different solvents by fabricators in the cleaning process. Problems arise when the silicone swells with solvent. When the solvent evaporates, the silicone will become harder and put stress on the metal bonds, potentially bending and even shearing them.

9/28/2006 12:00:00 AM - Advanced Engineering | Optoelectronics |
This paper describes five optically clear materials that were evaluated for changes in optical transmission due to temperature (150°C). Initial testing revealed that 150°C temperature exposure enabled reactions between the silicone being tested and the gasket material used to form the sample preparation.

7/31/2006 12:00:00 AM - Advanced Engineering | Electronics |
The EU mandates for lead free solders are often soldered at higher temperatures than lead and have created a need for electronic packaging materials that can handle these thermal cycling extremes.

7/26/2006 12:00:00 AM - Life Sciences | General Healthcare |
Transdermal, drug-delivery applications mandate the use of adequate adhesive systems to not only keep the pharmaceutical agent in contact with the intended surface, but to facilitate sustained, controlled delivery. An engineer who must determine which silicone chemistry is optimal for their device has a few options. This paper will investigate the differences in silicone pressure sensitive adhesives (PSAs) and silicone gels for transdermal drug delivery applications.

3/18/2005 12:00:00 AM - Advanced Engineering | Optoelectronics |
Although silicone technology has been around for over 5 decades, this unique material continues to find usage in new applications. Its various functionalities allow its usage as fuel resistant gaskets, inert implantable devices in the body, coatings for Atomic Oxygen protection in space, and for interocular lenses for cataract disease.

3/2/2005 12:00:00 AM - Advanced Engineering | Optoelectronics |
From the perspective of a silicone material chemist, this paper will address the benefits of using silicone in phosphor dispersions for High Brightness LED (HBLED) packages. This investigation first provides an overview of how versatile of a material silicone can be to the HB LED industry. An examination of the chemistry of silicone, the multiple material composition options and various cure chemistries demonstrates how silicone can be tailored to fit specific applications.

7/1/2004 12:00:00 AM - Life Sciences | Medical Implants, General Healthcare |
As devices become smaller and bonds more critical, choosing the right adhesive system may be essential to the success of the device.This article investigates some adhesives and primers used to adhere difficult substrates.

6/24/2004 12:00:00 AM - Life Sciences | Medical Implants, General Healthcare |
This paper will demonstrate the ability of silicone adhesives, with the aid of primers, flame treatment, or plasma treatment, to adhere to low surface energy plastics and to high strength metals. In general, some plastics are difficult to adhere to because of their low surface energy, available bond sites, and chemical interaction. Most plastic have a surface energy under 50 dynes/cm while aluminum, an easier substrate to adhere to, is closer to 825 dynes/cm.

6/14/2004 12:00:00 AM - Life Sciences | Medical Implants |
This paper will investigate the benefits of using silicone in drug delivery applications. This investigation first provides an overview of how versatile of a material silicone can be to the drug delivery industry. An examination of the chemistry of silicone, the multiple material composition options and various cure chemistries demonstrates how silicone can be tailored to fit specific drug delivery applications.

6/8/2004 12:00:00 AM - Advanced Engineering, Life Sciences |
Adhesive echnology is equal parts chemistry and ‘black magic’. Because there are so many different substrates, each adhesive can not be actually tested before hand on each and everyone. However, by testing on some novel substrates, or difficult to adhere to, inferences can be made which can narrow the choices of adhesives. We can define adhesion as the chemical bonding of two substrates.

9/25/2003 12:00:00 AM - Advanced Engineering |
This paper will demonstrate the ability of silicone adhesives, with the aid of primers, flame treatment, or plasma treatment, to adhere to low surface energy plastics and to high strength metals. In general, some plastics are difficult to adhere to because of their low surface energy, available bond sites, and chemical interaction. Most plastic have a surface energy under 50 dynes/cm while aluminum, an easier substrate to adhere to, is closer to 825 dynes/cm.

2/17/2003 12:00:00 AM - Advanced Engineering |
This paper will demonstrate the availability of dramatically accelerating the cure of certain silicone adhesives and their advantage to the manufacturing process. A ‘fast cure’ adhesive is defined as full cure in less than ten minutes—or partial cure for handling under five minutes and full cure at room temperature in 8 hours or one shift.

4/30/2013 12:00:00 AM - Advanced Engineering | Space |
This is a list of NuSil products that have been tested by the National Aeronautics & Space Association (NASA) and the European Space Agency (ESA).

9/25/2012 12:00:00 AM - Life Sciences | Medical Implants, General Healthcare |
Due to their unique chemistry which results in a large amount of free volume within the polymer/filler
matrix, silicones are ideal candidates for incorporating additional fillers or additives. One such method for incorporating a filler into a formulated silicone is via a masterbatch. A masterbatch is
a highly filled or concentrated component.

6/25/2012 12:00:00 AM - Advanced Engineering, Life Sciences |
A high consistency rubber, or HCR, consists of a high molecular weight polymer combined with reinforcing filler to produce a material that can be molded, extruded, or calendered into a useful end product. An HCR has the consistency of clay when uncured and is primarily formulated in a one- or two-part system (peroxide and platinum catalysts respectively).

12/9/2011 12:00:00 AM - Advanced Engineering, Life Sciences |
Most silicone adhesives are made of silica-filled silicone polymers that cure in place by crosslinking. The overall mechanical strength is known as cohesive strength. The strongest bonds are those which occur between atoms from chemical bonding; however, adhesion is not limited to chemical bonding.

12/8/2011 12:00:00 AM - Life Sciences | Medical Implants, General Healthcare |
Silane primers are used to promote adhesion between two non-bonding surfaces. Although designed for use with silicone adhesives, they can also be used with other adhesives, such as epoxies. The primers usually consist of one or more reactive silanes, a condensation catalyst and some type of solvent carrier. The reactive silanes typically have two different reactive groups; one compatible with the substrate and the other with the adhesive.

10/6/2011 12:00:00 AM - Advanced Engineering |
Silicones can withstand high temperatures for extended periods of time; however, thermal degradation remains a concern. Depending on the application and requirements of the end user, thermal degradation may be combated by the incorporation of phenyl into the polymer structure or the addition of a thermal stability additive (filler).

9/15/2011 12:00:00 AM - Advanced Engineering |
Silane primers are used to promote adhesion between two non-bonding surfaces. Although designed for use with silicone adhesives, they can also be used with other adhesives, such as epoxies. This document outlines the procedures that are recommended when using primers and presents adhesion test results for various adhesives, primers and substrates.

7/22/2011 12:00:00 AM - Advanced Engineering | Electronics |
With silicone’s insulative nature and large Coefficient of Thermal Expansion (CTE), sustaining conductivity as temperatures rise requires a special understanding of silicone chemistry and filler technology. Conductivity can be maintained by adjusting the type, amount, and the particle size and distribution of filler in the silicone matrix.

3/4/2011 12:00:00 AM - Advanced Engineering, Life Sciences |
The purpose of this Case Study is to further clarify the relationship between Water Vapor Transmission Rates (WVTR) and select silicones. This study will assist with product selection when moisture permeability is of interest for specific applications. An analysis of how various fillers and durometers influence WVTR is provided.

3/3/2011 12:00:00 AM - Life Sciences | Medical Implants |
An evaluation of the properties of silicones in what is deemed to be the harshest environment of the human body: gastric acid. In this investigation, dimethyl, diphenyl, and trifluoropropyl silicones were tested and the changes in the product’s physical properties such as elongation and tensile strength were recorded and evaluated.

12/1/2010 12:00:00 AM - Advanced Engineering, Life Sciences |
This application note will summarize important properties and characteristics of dispersions, present guidelines for applying a dispersion and offer suggestions for troubleshooting.

10/21/2010 12:00:00 AM - Life Sciences | General Healthcare |
Simethicone has been used for many years as a pharmaceutical antifoam to treat discomfort associated with gas buildup in the stomach or the large intestine. Simethicone works by causing small gas bubbles to coalesce into larger bubbles, making them easier to pass, by either belching or flatulence.

5/28/2010 12:00:00 AM - Advanced Engineering, Life Sciences |
This whitepaper characterizes Liquid Silicone Rubbers (LSRs) and their typical properties and gives guidelines for obtaining the best results from initial design to prototyping to full scale production

12/16/2009 12:00:00 AM - Advanced Engineering, Life Sciences |
Silicone and air mixtures are very complex and dynamic systems, however this article’s purpose is not to discuss fluid dynamics and laminar flow, but rather the basics of how air can be introduced into a system, common methods of mixing and de-airing, and packaging options when specialized mixing and dispensing equipment is not available.

6/24/2009 12:00:00 AM - Advanced Engineering, Life Sciences |
The healthcare, electronics and aerospace industries use silicone elastomers and adhesives in a broad range of applications. Humidity control is an important parameter of concern for these applications. For instance, wound dressings must “breathe” similar to our skin to accelerate the healing process.

1/26/2009 12:00:00 AM - Advanced Engineering | Optoelectronics |
Silicones do not degrade at continuous high operating conditions up to 200 °C. They are also able to maintain their flexibility at temperatures as low as - 60 °C compared with other adhesives that have Tg above 0 °C. Silicones can have excellent optical stability after heat and UV exposure.

10/16/2008 12:00:00 AM - Advanced Engineering, Life Sciences |
Curable silicone systems can be challenging to use because they are formulated with specific amounts of reactive species, catalysts, crosslinkers, polymers and inhibitors that can create variability. The keys to understanding and resolving problems using silicone materials require an understanding and appreciation for each component and how it functions.

9/2/2008 12:00:00 AM - Advanced Engineering, Life Sciences |
Silicones are formulated to cure with a number of catalysts. Each catalyst requires a certain set of conditions to cure and these conditions are typically included on the Product Profile or data sheet. Silicones can contain chemical entities known as cure inhibitors that are added by the manufacturer to adjust pot life (working time) and curing time.

The NuSil Institute

NuSil knows you deserve better than that, which is why our Silicone Institute offers an intense, information-rich immersion into the world of silicone materials, an experience incorporating the theoretical and the practical elements of silicone chemistry. We give design engineers the opportunity to work in the R&D department with our silicone chemists, a decidedly hands-on approach by which you'll learn by doing. And our R&D and QA technicians familiarize students with the latest test methods for silicone materials.

Best of all, the curriculum is flexible, tailored to your specific areas of interest - whether it's elastomers, fluids, adhesives or coatings. So forget the bare-bones introduction. Find out what's really new in silicone technology.

NuSil Silicone Institute sessions cover four days and are priced at $3,500. For more information, call +1 (805) 684-8780 or email silicone@nusil.com.